<template>
	<view class="container">
		<view class="content-box">
			<u-navbar :custom-back="back" title="小程序登录"></u-navbar>
			<u-modal v-model="phoneAuthPopup" :mask-close-able="true" :title="projectName" :show-confirm-button="false">
				<div class="tips">为了更好地用户体验，需要您授权手机号</div>
				<button class="register" type="primary" open-type="getPhoneNumber" @getphonenumber="getPhoneNumber">
					去授权
				</button>
			</u-modal>
			<view class="wx-auth-container">
				<div class="box">
					<view class="logo-info">
						<text class="title">欢迎进入{{ projectName }}</text>
					</view>
					<view class="small-tips">
						<view>为您提供优质服务,{{ projectName }}需要获取以下信息</view>
						<view>您的公开信息（昵称、头像）</view>
					</view>
					<view class="btns">
						<button type="primary" :disabled="logingFlag" bindtap="getUserProfile" @click="getUserProfile()"
							class="btn-auth">
							登录
						</button>
						<div @click="backToHome" class="btn-callback">暂不登录</div>
					</view>
					<div class="privacy">
						<u-checkbox shape="circle" v-model="checked" :active-color="lightColor">
							<div class="flex">
								阅读并同意<navigator class="light-color" url="/pages/mine/help/tips?type=PRIVACY_POLICY">
									《隐私协议》
								</navigator>
								<navigator class="light-color" url="/pages/mine/help/tips?type=USER_AGREEMENT">《用户协议》
								</navigator>
							</div>
						</u-checkbox>
					</div>
				</div>
			</view>
		</view>

	</view>
</template>

<script>
	import {
		mpAutoLogin
	} from "@/api/connect.js";

	import {
		whetherNavigate
	} from "@/utils/Foundation"; //登录跳转
	import {
		getUserInfo
	} from "@/api/members";
	import storage from "@/utils/storage.js";
	import config from "@/config/config";
	export default {
		data() {
			return {
				lightColor: this.$lightColor,
				checked: true,
				configs: config,
				// 是否展示手机号码授权弹窗，默认第一步不展示，要先获取用户基础信息
				phoneAuthPopup: false,
				// 授权信息展示，商城名称
				projectName: config.name,
				//微信返回信息，用于揭秘信息，获取sessionkey
				code: "",
				//微信昵称
				nickName: "",
				logingFlag: false,
				//微信头像
				image: "",
			};
		},

		//微信小程序进入页面，先获取code，否则几率出现code和后续交互数据不对应情况
		mounted() {
			// 小程序默认分享
			uni.showShareMenu({
				withShareTicket: true,
			});

			//获取code
			uni.login({
				success: (res) => {
					if (res.errMsg === "login:ok") {
						this.code = res.code;
					} else {
						uni.showToast({
							title: "系统异常，请联系管理员！",
						});
					}
				},
			});
		},
		methods: {
			/**
			 * TODO 此方法不一定是最优解，如果有更好的办法请在  https://gitee.com/beijing_hongye_huicheng/lilishop/issues 中提出
			 * 小程序返回bug
			 * 1.介于微信登录是在login.vue的基础上作为判断跳转来
			 * 所以在页面栈中会自动记录回退路径，所以导致每次微信小程序点击回退就会自动返回login页面
			 * 当然login页面的判断就是 没有登录就会跳转到微信小程序页面 导致了无法回退到之前页面
			 * 2.解决方法： 尝试在回退的时候判断地址，让回退多一级这样就避免了
			 */

			back() {
				whetherNavigate("wx");
			},
			backToHome() {
				uni.switchTab({
					url: `/pages/tabbar/home/index`,
				});
			},

			//获取用户信息
			getUserProfile(e) {
				if (!this.checked) {
					uni.showToast({
						title: "请勾选协议",
						icon: "none",
					});
					return;
				}
				this.logingFlag = true;

				if (this.code) {
					// 推荐使用wx.getUserProfile获取用户信息，开发者每次通过该接口获取用户个人信息均需用户确认
					uni.getUserProfile({
						desc: "用于完善会员资料", // 声明获取用户个人信息后的用途，后续会展示在弹窗中，请谨慎填写
						success: (res) => {
							console.log("success,获取到用户信息", res);
							this.nickName = res.userInfo.nickName;
							this.image = res.userInfo.avatarUrl;
							//将用户信息判断存储到本地缓存
							uni.setStorageSync("userInfoFragment", {
								nickName: this.nickName,
								avatar: this.image,
							});

							/**
							 * 根据公有的配置设置登录方式
							 */
							if (this.configs.enableFetchMobileLogin) {
								this.phoneAuthPopup = true;
								return false;
							}
							let iv = res.iv;
							let encryptedData = res.encryptedData;

							let code = this.code;
							let image = this.image;
							let nickName = this.nickName;
							mpAutoLogin({
								encryptedData,
								iv,
								code,
								image,
								nickName,
								appId: config.appId
							}).then((apiRes) => {
								storage.setAccessToken(apiRes.data.result.accessToken);
								storage.setRefreshToken(apiRes.data.result.refreshToken);
								// 登录成功
								uni.showToast({
									title: "登录成功!",
									icon: "none",
								});
								//获取用户信息
								getUserInfo().then((user) => {
									storage.setUserInfo(user.data.result);
									storage.setHasLogin(true);

									// uni.switchTab({
									// 	url: '/pages/tabbar/home/index'
									// });
									uni.navigateBack({
										delta: 1,
									});
								});
							});
						},
						fail: (res) => {
							console.log("fail", res);
						},
					});

					this.logingFlag = false;
				}
			},

			//获取手机号授权
			getPhoneNumber(e) {
				let iv = e.detail.iv;
				let encryptedData = e.detail.encryptedData;
				if (!e.detail.encryptedData) {
					uni.showToast({
						title: "请授予手机号码权限，手机号码会和会员系统用户绑定！",
						icon: "none",
					});
					return;
				}

				let code = this.code;
				let image = this.image;
				let nickName = this.nickName;
				mpAutoLogin({
					encryptedData,
					iv,
					code,
					image,
					nickName,
					appId: config.appId
				}).then((res) => {
					storage.setAccessToken(res.data.result.accessToken);
					storage.setRefreshToken(res.data.result.refreshToken);
					// 登录成功
					uni.showToast({
						title: "登录成功!",
						icon: "none",
					});
					//获取用户信息
					getUserInfo().then((user) => {
						storage.setUserInfo(user.data.result);
						storage.setHasLogin(true);

						uni.navigateBack({
							delta: 1,
						});
					});
				});
			},
		},
	};
</script>
<style lang="scss" scoped>
	/*微信授权*/
	page {
		background-color: #ffffff;
	}

	.content-box {
		width: 100vw;
		height: 100vh;
		background-color: #fff;
	}

	.wx-auth-container {
		width: 100%;
		margin-top: 20%;
	}

	.logo-info {
		display: flex;
		flex-wrap: nowrap;
		justify-content: flex-start;
		flex-direction: row;
		align-items: flex-start;
		padding: 20rpx;

		flex-direction: column;
		font-weight: bold;
	}

	image {
		width: 100px;
		height: 100px;
		text-align: center;
		-webkit-transform: scale(2.5);
		transform: scale(2.5);
	}

	.logo-info-img {
		width: 80rpx;
		height: 80rpx;
		border-radius: 50%;
		border: none;
	}

	text.title,
	text.shop {
		display: inline-block;
		font-size: 60rpx;
		color: #333;
	}

	text.shop {
		display: inline-block;
		font-size: 55rpx;
		color: #333;
	}

	.box {
		margin: 0 32rpx;
	}

	/* 文字提示*/
	.small-tips {
		width: 94%;
		padding: 20rpx;
		font-size: 24rpx;
		margin: 0 0 20rpx;
		color: #999;
	}

	.auth-button {
		padding: 10px 20px;
		width: calc(100% - 20 * 4rpx);
	}

	.tips {
		width: 80%;
		text-align: left;
		margin: 6% 10%;
		margin-top: 48rpx;
		line-height: 1.75;
	}

	.register {
		color: $weChat-color !important;
		border: none !important;
		background: #fff !important;
	}

	.btn-auth {
		width: 92%;
		margin: 0 auto 40rpx;
		border-radius: 100px;
		// animation: mymove 5s infinite;
		// -webkit-animation: mymove 5s infinite; /*Safari and Chrome*/
		// animation-direction: alternate; /*轮流反向播放动画。*/
		// animation-timing-function: ease-in-out; /*动画的速度曲线*/
		// /* Safari 和 Chrome */
		// -webkit-animation: mymove 5s infinite;
		// -webkit-animation-direction: alternate; /*轮流反向播放动画。*/
		// -webkit-animation-timing-function: ease-in-out; /*动画的速度曲线*/
	}

	.btn-callback {
		text-align: center;
		font-size: 30rpx;
		background: #ededed;
		height: 90rpx;
		line-height: 90rpx;
		border-radius: 100px;
		width: 92%;
		margin: 0 auto;
	}

	.btn-callback {
		text-align: center;
		font-size: 30rpx;
		background: #ededed;
		height: 90rpx;
		line-height: 90rpx;
		border-radius: 100px;
		width: 92%;
		margin: 0 auto;
	}

	.btns {
		margin-top: 100rpx;
		display: flex;
		flex-direction: column;
		width: 100%;
		justify-content: center;
	}

	@keyframes mymove {
		0% {
			transform: scale(1);
			/*开始为原始大小*/
		}

		25% {
			transform: scale(1.1);
			/*放大1.1倍*/
		}

		50% {
			transform: scale(1);
		}

		75% {
			transform: scale(1.1);
		}
	}

	.privacy {
		text-align: center;
		margin-top: 20rpx;
		width: 100%;
	}
</style>